The TRIOS helmet is designed for cavers looking for a two in one solution that is complete, durable and comfortable. Lighting is ensured by the rechargeable ULTRA VARIO headlamp. With four multi beam lighting modes, it is ideal under any conditions, for example for proximity vision with maximum battery life or to light at a great distance. Weight: helmet 330 g lamp 210 g ACCU 2 ULTRA 160 g. Quick charge in 3 hours. Works with ACCU 2 ULTRA Lithium Ion rechargeable battery.